// non-javadoc, see interface HeaderValueFormatter
public CharArrayBuffer formatHeaderElement(
CharArrayBuffer buffer, final HeaderElement elem, final boolean quote) {
if (elem == null) {
throw new IllegalArgumentException("Header element must not be null.");
}
int len = estimateHeaderElementLen(elem);
if (buffer == null) {
buffer = new CharArrayBuffer(len);
} else {
buffer.ensureCapacity(len);
}
buffer.append(elem.getName());
final String value = elem.getValue();
if (value != null) {
buffer.append('=');
doFormatValue(buffer, value, quote);
}
final int parcnt = elem.getParameterCount();
if (parcnt > 0) {
for (int i = 0; i < parcnt; i++) {
buffer.append("; ");
formatNameValuePair(buffer, elem.getParameter(i), quote);
}
}
return buffer;
}
/** Adds valid Port attribute value, e.g. "8000,8001,8002" */
@Override
protected void formatCookieAsVer(final CharArrayBuffer buffer, final Cookie cookie, int version) {
super.formatCookieAsVer(buffer, cookie, version);
// format port attribute
if (cookie instanceof ClientCookie) {
// Test if the port attribute as set by the origin server is not blank
String s = ((ClientCookie) cookie).getAttribute(ClientCookie.PORT_ATTR);
if (s != null) {
buffer.append("; $Port");
buffer.append("=\"");
if (s.trim().length() > 0) {
int[] ports = cookie.getPorts();
if (ports != null) {
for (int i = 0, len = ports.length; i < len; i++) {
if (i > 0) {
buffer.append(",");
}
buffer.append(Integer.toString(ports[i]));
}
}
}
buffer.append("\"");
}
}
}
@Override
public Header getVersionHeader() {
CharArrayBuffer buffer = new CharArrayBuffer(40);
buffer.append(SM.COOKIE2);
buffer.append(": ");
buffer.append("$Version=");
buffer.append(Integer.toString(getVersion()));
return new BufferedHeader(buffer);
}
/**
* Actually formats the value of a name-value pair. This does not include a leading = character.
* Called from {@link #formatNameValuePair formatNameValuePair}.
*
* @param buffer the buffer to append to, never <code>null</code>
* @param value the value to append, never <code>null</code>
* @param quote <code>true</code> to always format with quotes, <code>false</code> to use quotes
* only when necessary
*/
protected void doFormatValue(final CharArrayBuffer buffer, final String value, boolean quote) {
if (!quote) {
for (int i = 0; (i < value.length()) && !quote; i++) {
quote = isSeparator(value.charAt(i));
}
}
if (quote) {
buffer.append('"');
}
for (int i = 0; i < value.length(); i++) {
char ch = value.charAt(i);
if (isUnsafe(ch)) {
buffer.append('\\');
}
buffer.append(ch);
}
if (quote) {
buffer.append('"');
}
}
// non-javadoc, see interface HeaderValueFormatter
public CharArrayBuffer formatNameValuePair(
CharArrayBuffer buffer, final NameValuePair nvp, final boolean quote) {
if (nvp == null) {
throw new IllegalArgumentException("NameValuePair must not be null.");
}
int len = estimateNameValuePairLen(nvp);
if (buffer == null) {
buffer = new CharArrayBuffer(len);
} else {
buffer.ensureCapacity(len);
}
buffer.append(nvp.getName());
final String value = nvp.getValue();
if (value != null) {
buffer.append('=');
doFormatValue(buffer, value, quote);
}
return buffer;
}
// non-javadoc, see interface HeaderValueFormatter
public CharArrayBuffer formatElements(
CharArrayBuffer buffer, final HeaderElement[] elems, final boolean quote) {
if (elems == null) {
throw new IllegalArgumentException("Header element array must not be null.");
}
int len = estimateElementsLen(elems);
if (buffer == null) {
buffer = new CharArrayBuffer(len);
} else {
buffer.ensureCapacity(len);
}
for (int i = 0; i < elems.length; i++) {
if (i > 0) {
buffer.append(", ");
}
formatHeaderElement(buffer, elems[i], quote);
}
return buffer;
}
// non-javadoc, see interface HeaderValueFormatter
public CharArrayBuffer formatParameters(
CharArrayBuffer buffer, NameValuePair[] nvps, boolean quote) {
if (nvps == null) {
throw new IllegalArgumentException("Parameters must not be null.");
}
int len = estimateParametersLen(nvps);
if (buffer == null) {
buffer = new CharArrayBuffer(len);
} else {
buffer.ensureCapacity(len);
}
for (int i = 0; i < nvps.length; i++) {
if (i > 0) {
buffer.append("; ");
}
formatNameValuePair(buffer, nvps[i], quote);
}
return buffer;
}